<script type="text/javascript">
// 两秒后模拟点击
setTimeout(function() {
// IE
if(document.all) {
document.getElementById("clickMe").click();
}
// 其它浏览器
else {
var e = document.createEvent("MouseEvents");
e.initEvent("click", true, true);
document.getElementById("clickMe").dispatchEvent(e);
}
}, 20);
</script>